<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./vue.global.js"></script>
</head>
<body>
    <div id="app">
        {{searchText}}
        <custom-input v-model="searchText"></custom-input>
    </div>

    <script>
        const app = Vue.createApp({
            data(){
                return {
                    searchText:"world"
                }
            }
        })

        app.component(
            "custom-input",
            {
                template:`
                <input type="text" 
                :value="modelValue"
                @input="$emit('update:modelValue',$event.target.value)"
                >
                `,
                props:["modelValue"],
                emits:['update:modelValue']
            }
        )
        
        app.mount("#app")
    </script>
</body>
</html>